Regulator unit for air flow in air conditioning systems



FIG. 1 is a side view of the regulator unit for air flow in airconditioning systems, showing its new design;

FIG. 2 is an end view thereof;

FIG. 3 is a perspective view thereof; and,

FIG. 4 is a side view thereof.

I claim the ornamental design for a regulator unit for air flow in airconditioning systems, substantially as shown.